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| Mirrors > Home > ILE Home > Th. List > strle2g | GIF version | ||
| Description: Make a structure from a pair. (Contributed by Mario Carneiro, 29-Aug-2015.) (Revised by Jim Kingdon, 27-Jan-2023.) |
| Ref | Expression |
|---|---|
| strle1.i | ⊢ 𝐼 ∈ ℕ |
| strle1.a | ⊢ 𝐴 = 𝐼 |
| strle2.j | ⊢ 𝐼 < 𝐽 |
| strle2.k | ⊢ 𝐽 ∈ ℕ |
| strle2.b | ⊢ 𝐵 = 𝐽 |
| Ref | Expression |
|---|---|
| strle2g | ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → {〈𝐴, 𝑋〉, 〈𝐵, 𝑌〉} Struct 〈𝐼, 𝐽〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-pr 3677 | . 2 ⊢ {〈𝐴, 𝑋〉, 〈𝐵, 𝑌〉} = ({〈𝐴, 𝑋〉} ∪ {〈𝐵, 𝑌〉}) | |
| 2 | strle1.i | . . . . 5 ⊢ 𝐼 ∈ ℕ | |
| 3 | strle1.a | . . . . 5 ⊢ 𝐴 = 𝐼 | |
| 4 | 2, 3 | strle1g 13212 | . . . 4 ⊢ (𝑋 ∈ 𝑉 → {〈𝐴, 𝑋〉} Struct 〈𝐼, 𝐼〉) |
| 5 | 4 | adantr 276 | . . 3 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → {〈𝐴, 𝑋〉} Struct 〈𝐼, 𝐼〉) |
| 6 | strle2.k | . . . . 5 ⊢ 𝐽 ∈ ℕ | |
| 7 | strle2.b | . . . . 5 ⊢ 𝐵 = 𝐽 | |
| 8 | 6, 7 | strle1g 13212 | . . . 4 ⊢ (𝑌 ∈ 𝑊 → {〈𝐵, 𝑌〉} Struct 〈𝐽, 𝐽〉) |
| 9 | 8 | adantl 277 | . . 3 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → {〈𝐵, 𝑌〉} Struct 〈𝐽, 𝐽〉) |
| 10 | strle2.j | . . . 4 ⊢ 𝐼 < 𝐽 | |
| 11 | 10 | a1i 9 | . . 3 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → 𝐼 < 𝐽) |
| 12 | 5, 9, 11 | strleund 13209 | . 2 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → ({〈𝐴, 𝑋〉} ∪ {〈𝐵, 𝑌〉}) Struct 〈𝐼, 𝐽〉) |
| 13 | 1, 12 | eqbrtrid 4124 | 1 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → {〈𝐴, 𝑋〉, 〈𝐵, 𝑌〉} Struct 〈𝐼, 𝐽〉) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1397 ∈ wcel 2201 ∪ cun 3197 {csn 3670 {cpr 3671 〈cop 3673 class class class wbr 4089 < clt 8219 ℕcn 9148 Struct cstr 13101 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-setind 4637 ax-cnex 8128 ax-resscn 8129 ax-1cn 8130 ax-1re 8131 ax-icn 8132 ax-addcl 8133 ax-addrcl 8134 ax-mulcl 8135 ax-addcom 8137 ax-addass 8139 ax-distr 8141 ax-i2m1 8142 ax-0lt1 8143 ax-0id 8145 ax-rnegex 8146 ax-cnre 8148 ax-pre-ltirr 8149 ax-pre-ltwlin 8150 ax-pre-lttrn 8151 ax-pre-apti 8152 ax-pre-ltadd 8153 |
| This theorem depends on definitions: df-bi 117 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-nel 2497 df-ral 2514 df-rex 2515 df-reu 2516 df-rab 2518 df-v 2803 df-sbc 3031 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-nul 3494 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-int 3930 df-br 4090 df-opab 4152 df-mpt 4153 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-rn 4738 df-res 4739 df-ima 4740 df-iota 5288 df-fun 5330 df-fn 5331 df-f 5332 df-fv 5336 df-riota 5976 df-ov 6026 df-oprab 6027 df-mpo 6028 df-pnf 8221 df-mnf 8222 df-xr 8223 df-ltxr 8224 df-le 8225 df-sub 8357 df-neg 8358 df-inn 9149 df-n0 9408 df-z 9485 df-uz 9761 df-fz 10249 df-struct 13107 |
| This theorem is referenced by: strle3g 13214 2strstrndx 13224 2strstrg 13225 prdsvalstrd 13377 |
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